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| Number | Title | Issue Date |
| 4661239 | Middle distillate producing hydrocracking process A process for the production of a middle distillate fraction comprising contacting a hydrocarbon feedstock at middle distillate production conditions with a catalyst composition comprising a first modified Y zeolite component and a second modified Y zeoli... | 04/28/1987 |
| 4615996 | Dual function cracking catalyst (DFCC) composition A novel catalyst composition comprising a solid cracking catalyst and a diluent containing substantially catalytically inactive crystalline aluminosilicate.... | 10/07/1986 |
| 4612298 | Carbo-metallic oil conversion catalysts Commercial catalysts are prepared combining the various ingredients into a catalytic binder system which has been freed of sodium so that the catalyst ingredients can be preferably spray dried and used in Fluid Catalytic Cracking or Reduced Crude Conversi... | 09/16/1986 |
| 4610700 | Adsorbent composition useful in retarding corrosion in mufflers The internal corrosion of metal mufflers used in conjunction with internal combustion engines is substantially retarded by maintaining in the external void space thereof an adsorbent mass of a combination of crystalline zeolites having the crystal structu... | 09/09/1986 |
| 4601993 | Catalyst composition dewaxing of lubricating oils Hydrocarbon lubricating oil feedstocks are dewaxed by passing the waxy feedstock over a catalyst bed containing a mixture of medium pore zeolite and large pore zeolite catalysts havig a Constraint Index less than 2 and having hydroisomerization activity i... | 07/22/1986 |
| 4588702 | High performance catalysts for carbometallic oil conversion and their manufacture and use A catalyst nominally containing zeolite, clay and silica-alumina gel. The zeolite is preferably partially exchanged with high La/Ce ratio solution in a wetting step. The catayst and processes for its manufacture and use are disclosed. The catalyst is exce... | 05/13/1986 |
| 4588496 | Process for the catalytic cracking of metals-containing feedstocks Hydrocarbon feedstocks containing relatively high levels of metal contaminants, such as nickel and vanadium, are converted via catalytic cracking into products of lower average molecular weight by contacting the feedstock with a catalyst comprising a (1) ... | 05/13/1986 |
| 4582936 | Process for producing dimethylamine in preference to mono- and trimethylamines by gas phase catalytic reaction of ammonia with methanol A process for the selective production of dimethylamine in preference to mono- and trimethylamines by a catalytic vapor phase reaction of ammonia and methanol over a zeolite selected from mordenite, clinoptilolite and erionite is disclosed, wherein the im... | 04/15/1986 |
| 4581340 | Fluid cracking catalyst and method of making same from waste catalyst manufacture fines Co-product fines from the manufacture of zeolitic cracking catalysts from microspheres of calcined clay have heretofore been discarded as a waste stream. These fines, recovered as a moist cake, are slurried in a sodium silicate solution, spray dried to fo... | 04/08/1986 |
| 4568655 | Catalyst composition comprising Zeolite Beta A single catalyst system capable of demetalizing, hydrotreating and hydrodewaxing petroleum residue in a single stage process is described. The catalyst system utilized includes one or more metal oxides or sulfides of Group VIA and Group VIII of the perio... | 02/04/1986 |
| 4551438 | Oligomerization of liquid olefin over a nickel-containing silicaceous crystalline molecular sieve and hydrocarbyl aluminum halide A process for oligomerizing olefins in the liquid phase using a catalyst composition comprising a nickel-containing silicaceous crystalline molecular sieve catalyst and an hydrocarbyl-aluminum halide.... | 11/05/1985 |
| 4549956 | Octane and total yield improvements in catalytic cracking Addition of AgHZSM-5 to conventional cracking catalysts results in a significant increase in gasoline octane without undue loss in gasoline yield. This octane increase is greater than could be achieved by adding HZSM-5.... | 10/29/1985 |
| 4522705 | Octane enhancement and total liquid product yield improvements in catalytic cracking using in-situ crystallized ZSM-5 clay aggregates Octane and total yield improvement in catalytic cracking of petroleum fractions under cracking conditions can be obtained by adding to conventional cracking catalysts small amounts of an additive catalyst comprising a class of zeolites characterized by a ... | 06/11/1985 |
| 4520119 | Cracking catalyst and manufacture thereof By-product fines from the manufacture of zeolitic cracking catalysts from microspheres of calcined clay have heretofore been discarded as a waste stream. These fines, recovered as a moist cake, are slurried in a sodium, silicate solution, spray dried to f... | 05/28/1985 |
| 4510254 | Method of treating zeolite ores to remove discoloring impurities and improve its brightness and resulting finely ground zeolite A method of treating zeolites to remove therefrom discoloring impurities and improve the brightness thereof, comprising the steps of mixing a pulverized sedimentary zeolite ore with a dispersant and water to form a dispersed aqueous zeolite slurry, degrit... | 04/09/1985 |
| 4499197 | Co-gel catalyst manufacture Catalytically active silica-alumina and silica-alumina-rare earth oxide cogels are prepared by reacting aluminate and silicate solutions to obtain a silica-alumina pregel, and then reacting the pregel with an acidic rare earth and/or aluminum salt solutio... | 02/12/1985 |
| 4486296 | Process for hydrocracking and dewaxing hydrocarbon oils Heavy oils are simultaneously subjected to hydrocracking and dewaxing using a catalyst comprising zeolite beta and an X or Y or other faujasite zeolite together with a hydrogenation component. The process is able to effect a bulk conversion of the oil whi... | 12/04/1984 |
| 4485184 | Trapping of metals deposited on catalytic materials during carbometallic oil conversion A process is disclosed for the treatment of a hydrocarbon oil feed having a significant content of metals to lighter oil products by contacting the feed under conversion conditions in a conversion zone with a catalyst containing a sacrificial trap materia... | 11/27/1984 |
| 4477336 | Acid dealuminated Y-zeolite and cracking process employing the same Cracking of hydrocarbons with a mixture of acid dealuminated, rare earth metal exchanged Y-zeolite having a SiO2 /Al2 O3 molar ratio of more than about 6 and not more than about 300, and non-dealuminated rare earth metal e... | 10/16/1984 |
| 4416765 | Catalytic cracking Octane and overall product quality improvement in catalytic cracking processes utilizing an essentially entirely amorphous cracking catalyst can be attained by using instead a catalyst comprising a minor amount, e.g. from about 0.01 to about 25 weight per... | 11/22/1983 |
| 4416805 | Synthesis of zeolites of small and uniform size having a high magnesium exchange capacity Zeolites of small and uniform size are formed having high magnesium exchange capacities. Zeolite A is disclosed having an average particle size less than 1.7 microns, a calcium carbonate exchange capacity of more than 230 mg calcium carbonate per gram zeo... | 11/22/1983 |
| 4406823 | Method of making zeolites A method of simultaneously producing or co-synthesizing a combination of zeolite X and zeolite A by separately preparing a sodium aluminate solution and a sodium silicate solution and reacting the solutions in the presence of a small amount of zeolite X s... | 09/27/1983 |
| 4406822 | Method of making zeolites A method of simultaneously producing or co-synthesizing a combination of zeolite X and zeolite A by separately preparing a sodium aluminate solution and a sodium silicate solution, adding the sodium aluminate solution to the sodium silicate solution activ... | 09/27/1983 |
| 4383119 | Organomagnesium compounds The new compounds represented by the formulas: ##STR1## in which R is a straight or branched chain alkyl group including alkyl groups of about 1-18 carbon atoms, aryl groups of about 6 to 14 carbon atoms, and the R's are the same or different. The al... | 05/10/1983 |
| 4372839 | Production of high viscosity index lubricating oil stock A method for enhancing both the pour point and viscosity index (V.I.) of crude oils of high wax content by contact of the same with two different zeolites, such as ZSM-5 and ZSM-35 is disclosed.... | 02/08/1983 |
| 4367163 | Silica-clay complexes A clay composition comprising silica intercalated between the interlayers of the clay.... | 01/04/1983 |
| 4312743 | FCC Process using catalyst produced from used FCC catalyst This invention comprises a process for cracking a hydrocarbon charge stock using a used FCC catalytic composite comprising a zeolitic crystalline aluminosilicate dispersed in a porous inorganic matrix. Particles of zeolitic crystalline aluminosilicate hav... | 01/26/1982 |
| 4309279 | Octane and total yield improvement in catalytic cracking Octane and total yield improvement in catalytic cracking processes can be attained by the addition to conventional cracking catalysts of very small amounts of additive catalyst comprising a class of zeolites characterized by a silica to alumina mole ratio... | 01/05/1982 |
| 4309280 | Promotion of cracking catalyst octane yield performance A process is provided for increasing gasoline octane number and/or total gasoline yield in catalytic cracking units by the addition of a very small amount of finely divided shape selective additive promoter, which additive promoter is not intimately combi... | 01/05/1982 |
| 4309313 | Synthesis of cesium-containing zeolite, CSZ-1 A new zeolite structure, CSZ-1, has a composition 0.05 to 0.55 M2 O:0.45 to 0.95 Na2 O:Al2 O3 : 3 to 7 SiO2 :x H2 O where M is cesium and/or thallium and x is 0 to 10. The zeolite has utili... | 01/05/1982 |
| 4305845 | Zeolitic catalyst A low temperature method of calcining a zeolitic catalyst and the product of the method, the method comprising reducing the water content of the catalyst to less than 1.5 wt. % by contacting the catalyst with a water-miscible organic fluid and thereafter ... | 12/15/1981 |
| 4261861 | FCC Catalyst production from used FCC catalyst A method of increasing the activity and selectivity of a regenerated used FCC catalytic composite comprising a zeolitic crystalline aluminosilicate dispersed in a porous inorganic oxide matrix, the resultant composite and a cracking process utilizing the ... | 04/14/1981 |
| 4260839 | Ethane conversion process A process for effecting an endothermic and an exothermic reaction, under conversion conditions, in a single reaction zone wherein ethane is endothermically converted to C3 + hydrocarbons, and wherein an unconverted portion of ethane is simultan... | 04/07/1981 |
| 4239654 | Hydrocarbon cracking catalyst and process utilizing the same A hydrocarbon cracking catalyst comprises an ultrastable Y-type crystalline zeolite, a small pore crystalline ZSM-type zeolite, an inorganic oxide matrix and, optionally, a porous inert component. The cracking catalyst has a high activity and selectivity ... | 12/16/1980 |
| 4238361 | Ammoniated silica-alumina gel and catalyst containing the same and processes for producing same This invention relates to hydrothermal treatment of silica-alumina cogels resulting in a reduction in the NH4 content of the gel and the generation of a gamma crystal phase and the employment of such gels as cracking catalysts.... | 12/09/1980 |
| 4167528 | Process for the production of tetrabromoethylene Tetrabromoethylene is produced by oxybrominating butane with free oxygen and bromine. The reaction is conducted in the gaseous phase, in the presence of a cupric bromide catalyst and the tetrabromoethylene is recovered by selective condensation of the rea... | 09/11/1979 |
| 4100108 | Zeolitic catalysts and method of producing same This invention relates to production of improved zeolitic catalysts produced from mixtures of cation exchanged zeolites of the faujasite type incorporated into a matrix such as alumina, silica-alumina gels and clay or mixtures thereof.... | 07/11/1978 |
| 3994800 | Catalytic cracking with catalyst of improved Y zeolite A process for cracking hydrocarbon feedstocks by contacting such stocks under cracking conditions with a composite catalyst comprising an improved hydrogen exchanged Y-type zeolite component and an amorphous inorganic matrix component. The use of this cat... | 11/30/1976 |
